Year	Number
2004-01-01	291.0305
2005-01-01	310.2087
2006-01-01	341.5416
2007-01-01	361.4054
2008-01-01	368.0156
2009-01-01	541.6661
2010-01-01	533.9919
2011-01-01	573.6398
2012-01-01	614.2422
2013-01-01	648.6960
2014-01-01	711.4871
2015-01-01	789.4056
2016-01-01	781.2598